18926166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 46840320

約数和(自身を除く): 27914154

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 74, 111, 114, 133, 222, 259, 266, 399, 518, 641, 703, 777, 798, 1282, 1406, 1554, 1923, 2109, 3846, 4218, 4487, 4921, 8974, 9842, 12179, 13461, 14763, 23717, 24358, 26922, 29526, 36537, 47434, 71151, 73074, 85253, 142302, 166019, 170506, 255759, 332038, 450623, 498057, 511518, 901246, 996114, 1351869, 2703738, 3154361, 6308722, 9463083, 18926166]

約数ペア:

[(1, 18926166), (2, 9463083), (3, 6308722), (6, 3154361), (7, 2703738), (14, 1351869), (19, 996114), (21, 901246), (37, 511518), (38, 498057), (42, 450623), (57, 332038), (74, 255759), (111, 170506), (114, 166019), (133, 142302), (222, 85253), (259, 73074), (266, 71151), (399, 47434), (518, 36537), (641, 29526), (703, 26922), (777, 24358), (798, 23717), (1282, 14763), (1406, 13461), (1554, 12179), (1923, 9842), (2109, 8974), (3846, 4921), (4218, 4487)]